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Note G - Long-term Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Jun. 30, 2015
Revolving Loan Agreement [Member]    
Long-term Debt $ 8,478 $ 10,208
The10-year Unsecured Senior Notes [Member]    
Long-term Debt 3,571
Other Long-Term Debt [Member]    
Long-term Debt 23 23
Long-term Debt 8,501 13,802
Less: current maturities (3,571)
Total long-term debt $ 8,501 $ 10,231